Question

now it’s time to practice on your own
to tile a room, a contractor needs at least 24 boxes of tile. each box of tile contains 18 tiles. the contractor has 9 boxes of tile at the job site now.
how many more tiles does the contractor need?
enter your answer in the box.
the contractor needs at least \boxed{} more tiles.

Explanation:

Step1: Find the number of boxes needed

The contractor needs at least 24 boxes and has 9 boxes, so the number of additional boxes needed is $24 - 9 = 15$ boxes.

Step2: Calculate the number of additional tiles

Each box has 18 tiles, so the number of additional tiles is $15\times18 = 270$.

Answer:

270